Corpus: External urethral orifice
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Synonyms: external urethral opening, ostium urethrae externum, orificium urethrae externum, urethral ostium, urethral orifice
English:
Definition[Bearbeiten]
Meatus urethrae externus refers to the outer opening or orifice of the urethra (urethra).
Anatomy[Bearbeiten]
Male[Bearbeiten]
The external urethral meatus is a narrow, vertical slit at the tip of the glans penis (glans penis). It is about 6 mm long and is bordered by two small mucosa-covered labia.
Female[Bearbeiten]
The meatus urethrae externus opens into the vaginal vestibule (vestibulum vaginae). It lies about 2-2.5 cm behind the clitoris and directly in front of or above the vaginal entrance (introitus vaginae). It normally has the shape of a short, sagittal slit with emphasised, slightly bulging edges.